Linebreeding:

Ivo vom Grenzturm gained his IPO 1 title and rated V in conformation, he also tested clear for PHTVL/PHPV. Ivo's sire, Rocket vom Grenzturm, gained his Schutzhund III title and was out of a combination that also produced D.V. Meisterschaft participants Faro vom Grenzturm and Gerro vom Grenzturm. Ivo's dam, Grynet von der Ruine Hohenberg, was a daughter of Gringo vom Franckenhorst who in turn passed the passed the Körung 'for life' with Körklasse 1A rating and was the best protection dog at the Netherlands 'All Breeds' Championship with 97 points.